Literature
Force PNG Quality on dA Thumbnails
NOTE: This is probably well known, but I didn't know about it and couldn't find anywhere explaining what deviantArt does and does not do to thumbnails. If this is common knowledge, I'm sorry for reiterating what's already known.
What?
One thing that has always bugged me is the fact that even if I upload in PNG, the thumbnails still have JPG quality. This means nasty artifacts, which can really make a thumbnail look unappealing. Here's an example:
Bleh, too many artifacts for me! But you can remove them with a few simple steps. Note this is not a tutorial on how to remove jpeg artifacts from the real picture, but rather how to remove the art